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Underwood's method for the Petlyuk configuration

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journal contribution
posted on 01.01.1988 by Neil A. Carlberg, Arthur W. Westerberg, Carnegie Mellon University.Engineering Design Research Center.
Abstract: "The set of Underwood equations developed for the sidestream stripper and the sidestream enricher easily extend to the Petlyuk configuration. Close scrutiny of these equations shows a family of middle component split fractions that give rise to minimum reflux. This insight facilitates a two part solution strategy. The analysis shown here is valid for any multicomponent feed mixture with any number of middle components."


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